1.
Ruy Lopez - Closed, Breyer Defense, Zaitsev Hybrid
40 moves
80 positions
2.
Italian Game - Giuoco Piano, Scotch Gambit, Walbrodt-Baird Gambit
40 moves
80 positions
3.
Sicilian Defense: Najdorf Variation, Main Line
44 moves
88 positions
4.
Queen's Gambit Declined: Tartakower Defense, Exchange Variation
47 moves
94 positions
5.
French Defence - Tarrasch, Closed Variation
48 moves
96 positions
6.
King's Indian Defense: Orthodox Variation, Classical System
48 moves
96 positions
7.
English Opening: King's English Variation, Two Knights Variation, Reversed Dragon
46 moves
92 positions
8.
Caro-Kann Defense: Karpov Variation
46 moves
92 positions
9.
Scotch Game: Schmidt Variation
50 moves
100 positions
10.
Nimzo-Indian Defense: Classical Variation
50 moves
100 positions
11.
GrΓΌnfeld Defense: Exchange Variation, Modern Exchange Variation, Kramnik's Line
97 moves
194 positions
12.
King's Indian Attack
97 moves
194 positions
13.
Catalan Opening: Closed
115 moves
230 positions
14.
Scandinavian Defense: Richter Variation
70 moves
140 positions
15.
Dutch Defense: Normal Variation
125 moves
250 positions
16.
Vienna Game: Vienna Gambit, Main Line
179 moves
358 positions
17.
King's Indian Defense: Orthodox Variation, Classical System, Traditional Line, Aronin-Taimanov Defense
127 moves
254 positions
18.
Benko Gambit: Zaitsev Variation, Nescafe Frappe Attack
90 moves
180 positions
19.
Caro-Kann Defense: Advance Variation, Tal Variation
119 moves
238 positions
20.
English Opening: Carls-Bremen System
110 moves
220 positions
21.
Ruy Lopez: Berlin Defense, l'Hermet Variation, Berlin Wall Defense
16 moves
32 positions
22.
Ruy Lopez: Berlin Defense
39 moves
78 positions
23.
Alekhine Defense: Modern Variation, Keres Variation
64 moves
128 positions
24.
Russian Game: Classical Attack, Chigorin Variation, Main Line
184 moves
368 positions
25.
Semi-Slav Defense: Botvinnik Variation, Lilienthal Variation
179 moves
358 positions
26.
French Defense: Winawer Variation, Poisoned Pawn Variation, Main Line
47 moves
94 positions
27.
Sicilian Defense: Closed
98 moves
196 positions
28.
Sicilian Defense: Alapin Variation, Smith-Morra Declined
199 moves
398 positions
29.
Pirc Defense: Austrian Attack, Weiss Variation
169 moves
338 positions
30.
Queen's Pawn Game: London System
72 moves
144 positions
31.
French Defense: Exchange Variation
152 moves
304 positions
32.
Queen's Gambit Accepted: Classical Defense, Main Line
216 moves
432 positions